Home / 4,084.68-5,640.08-3,285.43

Finding the Fourth Proportional to 4,084.68, 5,640.08 and 3,285.43

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Solution

The fourth proportional to 4,084.68, 5,640.08 and 3,285.43 is: 4,536.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.68 : 5,640.08 = 3,285.43 : x
  2. Step 2: Convert to fraction form
    4,084.68/5,640.08 = 3,285.43/x
  3. Step 3: Cross multiply
    4,084.68x = 5,640.08 × 3,285.43
  4. Step 4: Simplify right side
    4,084.68x = 18,530,057.51
  5. Step 5: Solve for x
    x = 18,530,057.51/4,084.68
  6. Step 6: Final answer
    x = 4,536.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.